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Best Protein Powder

Protein powders, ranked

428 powders scored against our published standard. Every number comes from the manufacturer's label; a dash means we couldn't verify it. Last checked 2026-10-14.

What matters to you

Third-party tested50Under 2 g sugar31No sweeteners8Dairy-free0Gluten-free31For kids0

Type

Whey isolate26Whey blend27Clear whey4Casein and milk10Plant-based18Egg, beef, collagen1Gainers and meal shakes10

50 powders · Clear filters

Highest score
BulkSupplements

Casein Protein Powder

Casein · 30 g scoop
NSF Certified for SportNo sweeteners
Protein
25g
Sugar
0g
Our score
100/100
$0.64 / servingChecked 2026-10-14
Applied Nutrition

Clear Whey Protein

Clear Whey · 25 g scoop
Informed Sport
Protein
21.27g
Sugar
0.24g
Our score
100/100
Price not verifiedChecked 2026-10-14
AGN Roots

Grass-Fed Whey

Whey Isolate · 29 g scoop
Informed SportInformed ProteinNo sweeteners
Protein
25g
Sugar
0g
Our score
100/100
$0.66 / servingChecked 2026-10-13
Applied Nutrition

ISO-XP Whey Protein Isolate

Whey Isolate · 25 g scoop
Informed Sport
Protein
22.4g
Sugar
0.2g
Our score
100/100
Price not verifiedChecked 2026-10-13
BulkSupplements

Whey Protein Isolate 90% Powder

Whey Isolate · 30 g scoop
NSF Certified for SportNo sweeteners
Protein
25g
Sugar
0g
Our score
100/100
$0.70 / servingChecked 2026-10-13
Klean Athlete

Klean Isolate

Whey Isolate · 22.3 g scoop
NSF Certified for SportNo sweeteners
Protein
20g
Sugar
1g
Our score
99/100
Price not verifiedChecked 2026-10-13
1st Phorm

Phormula-1

Whey Isolate · 28 g scoop
NSF Certified for SportInformed Choice
Protein
23g
Sugar
0g
Our score
95/100
$2.33 / servingChecked 2026-10-13
Kaged

Whey Protein Isolate

Whey Isolate · 35 g scoop
Informed Sport
Protein
25g
Sugar
1g
Our score
92/100
$2.07 / servingChecked 2026-10-14
Klean Athlete

Klean Casein

Casein · 30.7 g scoop
NSF Certified for Sport
Protein
24g
Sugar
1g
Our score
91/100
Price not verifiedChecked 2026-10-13
Transparent Labs

100% Grass-Fed Whey Protein Isolate

Whey Isolate · 34.9 g scoop
Informed ChoiceInformed Protein
Protein
28g
Sugar
1g
Our score
90/100
$2.17 / servingChecked 2026-10-13
Musashi

Whey Protein Isolate (WPI)

Whey Isolate · 30 g scoop
Informed Sport
Protein
25.3g
Sugar
0.4g
Our score
90/100
Price not verifiedChecked 2026-10-14
BioSteel

Whey Protein Isolate

Whey Isolate · 34 g scoop
NSF Certified for Sport
Protein
28g
Sugar
—
Our score
89/100
Price not verifiedChecked 2026-10-13
1st Phorm

Phormula-1 Clear

Clear Whey · 28 g scoop
NSF Certified for Sport
Protein
22g
Sugar
0g
Our score
88/100
$2.78 / servingChecked 2026-10-13
Sascha Fitness

Hydrolyzed Whey Protein Isolate

Hydrolyzed Whey · 34 g scoop
NSF Certified for Sport
Protein
25g
Sugar
0g
Our score
87/100
$2.17 / servingChecked 2026-10-14
Myprotein

Clear Whey Isolate

Clear Whey · 25 g scoop
Informed Choice
Protein
20g
Sugar
0g
Our score
86/100
$1.80 / servingChecked 2026-10-13
Myprotein

Impact Whey Isolate

Whey Isolate · 29 g scoop
Informed ChoiceInformed Protein
Protein
25g
Sugar
0g
Our score
86/100
Price not verifiedChecked 2026-10-13
Believe Supplements

Isolate Protein

Milk Protein · 32.5 g scoop
Informed Protein
Protein
27g
Sugar
0g
Our score
86/100
Price not verifiedChecked 2026-10-14
Ascent

Micellar Casein

Casein · 36 g scoop
Informed Sport
Protein
25g
Sugar
1g
Our score
84/100
$1.80 / servingChecked 2026-10-14
GNC Pro Performance

Pro Performance 100% Casein

Casein · 33.8 g scoop
Informed Choice
Protein
25g
Sugar
0g
Our score
82/100
$2.40 / servingChecked 2026-10-14
Thorne

Whey Protein Isolate

Whey Isolate · 30.2 g scoop
NSF Certified for SportProprietary blend
Protein
21g
Sugar
2g
Our score
82/100
$2.17 / servingChecked 2026-10-13
Bare Performance Nutrition

Grass-Fed Whey Protein Isolate

Whey Isolate · 31.6 g scoop
NSF Certified for Sport
Protein
25g
Sugar
—
Our score
81/100
$2.60 / servingChecked 2026-10-13
SAVAS

Pro WPI Clear

Whey Isolate · 21 g scoop
Informed ChoiceInformed ProteinNo sweeteners
Protein
19.4g
Sugar
—
Our score
79/100
Price not verifiedChecked 2026-10-14
GNC AMP

AMP Sustained Protein Blend

Milk Protein · 33.5 g scoop
Informed ChoiceInformed Protein
Protein
25g
Sugar
1g
Our score
78/100
$1.92 / servingChecked 2026-10-14
Rule 1

R1 Protein Whey Isolate

Whey Isolate · 32 g scoop
Informed Choice
Protein
25g
Sugar
0g
Our score
78/100
Price not verifiedChecked 2026-10-13
Dymatize

Elite Casein

Casein · 36 g scoop
Informed Choice
Protein
25g
Sugar
0g
Our score
74/100
Price not verifiedChecked 2026-10-13
USN

Isozero Whey Protein

Whey Isolate · 23 g scoop
Informed ChoiceProprietary blend
Protein
20g
Sugar
0g
Our score
70/100
Price not verifiedChecked 2026-10-14
RAW Nutrition

BUM Itholate Protein

Whey Isolate · 36 g scoop
Informed Protein
Protein
25g
Sugar
3g
Our score
66/100
$3.00 / servingChecked 2026-10-13
GNC Pro Performance

Pro Performance Weight Gainer

Mass Gainer · 185.4 g scoop
Informed ChoiceInformed Sport
Protein
50g
Sugar
—
Our score
65/100
$7.00 / servingChecked 2026-10-13
Muscle Milk

Genuine Protein Powder

Milk Protein
NSF Certified for Sport
Protein
32g
Sugar
2g
Our score
59/100
Price not verifiedChecked 2026-10-13
Sports Research

Whey Protein Isolate

Whey Isolate · 41 g scoop
Informed SportAdded amino acids
Protein
25g
Sugar
—
Our score
59/100
$2.00 / servingChecked 2026-10-14
Musashi

Bulk Protein Powder

Mass Gainer · 60 g scoop
Informed Sport14.5 g sugar
Protein
26g
Sugar
14.5g
Our score
58/100
Price not verifiedChecked 2026-10-14
Transparent Labs

Mass Gainer

Mass Gainer · 199 g scoop
Informed Choice12 g sugar
Protein
53g
Sugar
12g
Our score
58/100
$5.33 / servingChecked 2026-10-13
Naked Nutrition

Naked Mass

Mass Gainer · 321 g scoop
NSF Contents CertifiedNo sweeteners21 g sugar
Protein
50g
Sugar
21g
Our score
58/100
$7.27 / servingChecked 2026-10-14
Rival Nutrition

Clean Gainer

Mass Gainer · 149 g scoop
Informed Choice9 g sugar
Protein
30g
Sugar
9g
Our score
54/100
$3.33 / servingChecked 2026-10-14
Rule 1

Mass Gainer

Mass Gainer · 325 g scoop
Informed ChoiceInformed Protein14 g sugar
Protein
40g
Sugar
14g
Our score
54/100
$5.62 / servingChecked 2026-10-14
Dymatize

Super Mass Gainer

Mass Gainer · 335 g scoop
Informed Choice21 g sugar
Protein
52g
Sugar
21g
Our score
54/100
Price not verifiedChecked 2026-10-13
GNC AMP

AMP Pure Isolate

Whey Isolate
Informed Choice
Protein
25g
Sugar
0g
Our score
52/100
$1.12 / servingChecked 2026-10-13
GNC Pro Performance

Pro Performance Bulk 1340

Mass Gainer · 361 g scoop
Informed Choice15 g sugar
Protein
50g
Sugar
15g
Our score
48/100
Price not verifiedChecked 2026-10-13
GNC AMP

AMP Mass XXX with MyoTor

Mass Gainer · 208 g scoop
Informed Choice8 g sugarAdded amino acids
Protein
50g
Sugar
8g
Our score
44/100
$7.69 / servingChecked 2026-10-14
MHP

Up Your Mass XXXL 1350

Mass Gainer · 347.5 g scoop
Informed Choice11 g sugarProprietary blend
Protein
50g
Sugar
11g
Our score
34/100
$5.86 / servingChecked 2026-10-14